78877860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1621}}^1$

素因数の和:2444

約数の個数: 48

約数和(自身を含む): 221266752

約数和(自身を除く): 142388892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 811, 1621, 1622, 2433, 3242, 3244, 4055, 4863, 4866, 6484, 8105, 8110, 9726, 9732, 12165, 16210, 16220, 19452, 24315, 24330, 32420, 48630, 48660, 97260, 1314631, 2629262, 3943893, 5258524, 6573155, 7887786, 13146310, 15775572, 19719465, 26292620, 39438930, 78877860]

約数ペア:

[(1, 78877860), (2, 39438930), (3, 26292620), (4, 19719465), (5, 15775572), (6, 13146310), (10, 7887786), (12, 6573155), (15, 5258524), (20, 3943893), (30, 2629262), (60, 1314631), (811, 97260), (1621, 48660), (1622, 48630), (2433, 32420), (3242, 24330), (3244, 24315), (4055, 19452), (4863, 16220), (4866, 16210), (6484, 12165), (8105, 9732), (8110, 9726)]